Sakura : Pigma : Micron Pen 01 : Black : 0.25mm | Jackson's Art Supplies
Amazon.com: G.T. Luscombe Company, Inc. Pigma Micron/Gelly Roll Foundations Pen/Pencil Kit | No Bleed Pigmented Black & White Ink | No Smearing or Fading | 01 Fine, 03 Medium, Graphic 1 Bullet